The TX Plant Clinic

The Texas Plant Disease Diagnostic Laboratory, located in College Station, Texas, is a service lab of the Department of Plant Pathology and Microbiology at Texas A&M University in conjunction with Texas A&M AgriLife Extension Service.

Customer sample  inquiry (phone) support is available from 9:00am -12:00noon  and 1:00pm – 4:00pm, Monday to Friday when the TX Plant Clinic is open.

*NEW* 7/10/2015 – The TPDDL is now accepting credit card payment online for diagnostic services.  Information from the invoice will be need to complete payment.  TPDDL credit card payment site can be accessed at


Sending Samples?

Submission forms can be found on the Sample Submission Form page. Most will use Form D1178 for routine diagnosis.

Plant Clinic Blog

Check out the TPDDL Blog

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